RT Journal Article SR Electronic T1 Nonpoint sources of water pollution JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 14 OP 18 VO 40 IS 1 A1 Myers, Carl F. A1 Meek, James A1 Tuller, Stuart A1 Weinberg, Anne YR 1985 UL http://www.jswconline.org/content/40/1/14.abstract AB